How do you redirect output to standard error?
To redirect stderr as well, you have a few choices:
- Redirect stdout to one file and stderr to another file: command > out 2>error.
- Redirect stdout to a file ( >out ), and then redirect stderr to stdout ( 2>&1 ): command >out 2>&1.
Which is redirecting standard error to standard output?
To redirect stderr and stdout , use the 2>&1 or &> constructs.
How to redirect standard output and standard error?
1 To redirect standard output and standard error to the same file, use the following command syntax. 2 A slightly easier way to achieve this functionality is with the &> operator. 3 To append standard output and standard error to a file that already exists, use the same syntax above, but with the >> redirection operator.
How to redirect output from stderr to another file?
Or, you can redirect the output to one place, and the errors to another. You can print the errors and standard output to a single file by using the “&1” command to redirect the output for STDERR to STDOUT and then sending the output from STDOUT to a file:
How to redirect errors from stderr to Nul?
To redirect (only) the error message to NUL, use the following command: Or, you can redirect the output to one place, and the errors to another. You can print the errors and standard output to a single file by using the “&1” command to redirect the output for STDERR to STDOUT and then sending the output from STDOUT to a file:
Why do error messages still print when redirecting from an application?
Taken from MS Support KB 110930. When redirecting output from an application using the ‘>’ symbol, error messages still print to the screen. This is because error messages are often sent to the Standard Error stream instead of the Standard Out stream.